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Finding the Fourth Proportional to 345,059.88, 517,596.71 and 92,339.97

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Solution

The fourth proportional to 345,059.88, 517,596.71 and 92,339.97 is: 138,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,059.88 : 517,596.71 = 92,339.97 : x
  2. Step 2: Convert to fraction form
    345,059.88/517,596.71 = 92,339.97/x
  3. Step 3: Cross multiply
    345,059.88x = 517,596.71 × 92,339.97
  4. Step 4: Simplify right side
    345,059.88x = 47,794,864,211.80
  5. Step 5: Solve for x
    x = 47,794,864,211.80/345,059.88
  6. Step 6: Final answer
    x = 138,511.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.